For your safety use a sturdy reliable ladder and secure to your roof.
Roof measurements in squares.
So if you divide your answer of a product of length times height by two you will get the area of a triangle.
It is often compared to slope but is not exactly the same.
L h 2 area calculating an area of a triangle when estimating a roof.
Be careful walking around so.
Step 1 understand your roof surface.
Whenever a contractor is measuring a roof they know that each square of roofing shingles is 3 bundles for the most part and if you have 20 squares of roofing you will need 60 bundles of shingles.
Steep roofs measure your house at ground level then add in the roof s overhang for greater accuracy.
Step 3 consider the roof slope.
A home s roof is measured in squares.
Because each 100 square feet of roof is one roofing square divide the total area from step 1 by 100.
Estimate the pitch of the roof.
Residential commercial multi family roof reports gaf quickmeasure is the complete aerial roofing measurement software that delivers roof measurements in under an hour for single family homes and under 24 hours for multi family and commercial properties.
How to measure roof square.
Wear shoes boots with proper traction.
Make sure to document the number of chimneys skylights or other obstructions and include dormers in your measurements.
Step 4 take ground measurements.
If your roof is flat or has no more than a 3 in 12 pitch you can calculate its total square footage by simply multiplying the length by the width.
Square used outside of the roofing industry.
Step 2 section the roof.
1 roof square 100 square feet.
Use a tape measure to note the length and width of your roof including dormers.
First measure the length and width of each surface on the roof then multiply these values to get the square footage of that surface.
If your roof is 5 000 square feet.
Each square is 100 square feet.
Super fast super affordable roof measurements.
Steps to measuring roof square footage prepare.
In the united states a run of 12 inches 1 foot is used and pitch is measured as the rise of the roof over 12 inches.